21427776320978016

Names of 21427776320978016

• Cardinal: 21427776320978016 can be written as Twenty-one quadrillion, four hundred twenty-seven trillion, seven hundred seventy-six billion, three hundred twenty million, nine hundred seventy-eight thousand and sixteen.

Scientific notation

• Scientific notation: 2.1427776320978016 × 10¹⁶

Factors of 21427776320978016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3962342

Divisors of 21427776320978016

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 81 88 96 99 108 132 144 162 176 198 216 264 288 297 324 352 396 432 528 594 648 792 864 891 1056 1188 1296 1584 1782 2376 2592 3168 3564 4752 7128 9504 14256 28512 199739 399478 599217 798956 1198434 1597912 1797651 2197129 2396868 3195824 3595302 3762587 4394258 4793736 5392953 6391648 6591387 7190604 7525174 8788516 9587472 10785906 11287761 13182774 14381208 15050348 16178859 17577032 19174944 19774161 21571812 22575522 26365548 28762416 30100696 32357718 33863283 35154064 39548322 41388457 43143624 45151044 52731096 57524832 59322483 60201392 64715436 67726566 70308128 79096644 82776914 86287248 90302088 101589849 105462192 118644966 120402784 124165371 129430872 135453132 158193288 165553828 172574496 177967449 180604176 203179698 210924384 237289932 248330742 258861744 270906264 304769547 316386576 331107656 355934898 361208352 372496113 406359396 474579864 496661484 517723488 541812528 609539094 632773152 662215312 711869796 744992226 812718792 949159728 993322968 1083625056 1117488339 1219078188 1324430624 1423739592 1489984452 1625437584 1898319456 1986645936 2234976678 2438156376 2847479184 2979968904 3250875168 3352465017 3973291872 4469953356 4876312752 5694958368 5959937808 6704930034 8939906712 9752625504 11919875616 13409860068 17879813424 26819720136 35759626848 53639440272 107278880544 751535364793 1503070729586 2254606094379 3006141459172 4509212188758 6012282918344 6763818283137 8266889012723 9018424377516 12024565836688 13527636566274 16533778025446 18036848755032 20291454849411 24049131673376 24800667038169 27055273132548 33067556050892 36073697510064 40582909698822 49601334076338 54110546265096 60874364548233 66135112101784 72147395020128 74402001114507 81165819397644 99202668152676 108221092530192 121748729096466 132270224203568 148804002229014 162331638795288 198405336305352 216442185060384 223206003343521 243497458192932 264540448407136 297608004458028 324663277590576 396810672610704 446412006687042 486994916385864 595216008916056 649326555181152 669618010030563 793621345221408 892824013374084 973989832771728 1190432017832112 1339236020061126 1785648026748168 1947979665543456 2380864035664224 2678472040122252 3571296053496336 5356944080244504 7142592106992672 10713888160489008 21427776320978016
• Sum of all divisors σ(n): 68747811487629120
• Sum of proper divisors (its aliquot sum) s(n): 47320035166651104
• 21427776320978016 is an abundant number, because the sum of its proper divisors (47320035166651104) is greater than itself. Its abundance is 25892258845673088

Bases of 21427776320978016

• Binary: 1001100001000000111001011110011111100000011110001100000₂
• Hexadecimal: 0x4C2072F3F03C60
• Base-36: 5UZIGJOPY00

Squares and roots of 21427776320978016

• 21427776320978016 squared (21427776320978016²) is 459149598061866158571718755296256
• 21427776320978016 cubed (21427776320978016³) is 9838554885136629220950514259378666991637743108096
• The square root of 21427776320978016 is 146382295.1076325213
• The cube root of 21427776320978016 is 277753.1767131099

Scales and comparisons

• 21,427,776,320,978,016 seconds is equal to 681,337,006 years, 28 weeks, 1 day, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,427,776,320,978,016 would take you about two billion, forty-four million, eleven thousand and nineteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21427776320978016 cubic inches would be around 23146.1 feet tall.

Recreational maths with 21427776320978016

• 21427776320978016 backwards is 61087902367772412
• 21427776320978016 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21427776320978016's digits is 72
• More coming soon!